How to write and condition in javascript

Comparison and Logical operators are used to test for true or false. Comparison Operators. Conditional (Ternary) Operator. JavaScript also contains a conditional operator that assigns a value to a variable based on some condition. Syntax. variablename (condition)? value1: value2. The conditional (ternary) operator is the only JavaScript operator that takes three operands. This operator is frequently used as a shortcut for the if statement. The source for this interactive example is stored in a GitHub repository.

If you'd like to contribute to the interactive examples project In JavaScript we have the following conditional statements: Use if to specify a block of code to be executed, if a specified condition is true Use else to specify a block of code to be executed, if the same condition is false The if statement executes a statement if a specified condition is truthy.

If the condition is falsy, another statement can be executed. Javascript conditional switch statement 4 answers Sorry for that dumb question.

How can I use a condition for a case in the javascript switchcase language element? JavaScript While Loop The while loop loops through a block of code as long as a specified condition is true. Syntax. while (condition) code block to be executed Example. In the following example, the code in the loop will run, over and over again, as long as a variable (i) is less than 10: While writing a program, there may be a situation when you need to adopt one out of a given set of paths.

In such cases, you need to use conditional statements that allow your program to make correct decisions and perform right actions. JavaScript supports conditional statements which are used to How To Write Conditional Statements in JavaScript August 29, 2017 In programming, there will be many occasions in which you will want different blocks of code to run depending on user input or other factors.

The conditional (ternary) operator is the only JavaScript operator that takes three operands. This operator is frequently used as a shortcut for the if statement. condition Often statement 2 is used to evaluate the condition of the initial variable. This is not always the case, JavaScript doesn't care. Statement 2 is also optional. Conditional Statements Very often when you write code, you want to perform different actions for different decisions. You can use conditional statements in your code to JavaScript statements often start with a keyword to identify the JavaScript action to be performed.